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frv: switch to generic old sigaction()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-25 19:30:17 -05:00
parent 39e08a9bae
commit 177b6703f6
3 changed files with 1 additions and 39 deletions
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1
arch/frv/Kconfig
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@ -14,6 +14,7 @@ config FRV
select ARCH_WANT_IPC_PARSE_VERSION
select GENERIC_SIGALTSTACK
select OLD_SIGSUSPEND3
select OLD_SIGACTION
config ZONE_DMA
bool

7
arch/frv/include/asm/signal.h
View File

@ -3,11 +3,4 @@
#include <uapi/asm/signal.h>
struct old_sigaction {
__sighandler_t sa_handler;
old_sigset_t sa_mask;
unsigned long sa_flags;
__sigrestore_t sa_restorer;
};
#endif /* _ASM_SIGNAL_H */

32
arch/frv/kernel/signal.c
View File

@ -32,38 +32,6 @@ struct fdpic_func_descriptor {
unsigned long GOT;
};
asmlinkage int sys_sigaction(int sig,
const struct old_sigaction __user *act,
struct old_sigaction __user *oact)
{
struct k_sigaction new_ka, old_ka;
int ret;
if (act) {
old_sigset_t mask;
if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
__get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
__get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
__get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
__get_user(mask, &act->sa_mask))
return -EFAULT;
siginitset(&new_ka.sa.sa_mask, mask);
}
ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
if (!ret && oact) {
if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
__put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
__put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
__put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
__put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
return -EFAULT;
}
return ret;
}
/*
* Do a signal return; undo the signal stack.
*/